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Diffstat (limited to 'source/lang/api/serialusb.rst')
| -rw-r--r-- | source/lang/api/serialusb.rst | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/source/lang/api/serialusb.rst b/source/lang/api/serialusb.rst index ee7146e..ed466f2 100644 --- a/source/lang/api/serialusb.rst +++ b/source/lang/api/serialusb.rst @@ -16,9 +16,8 @@ Introduction In addition to three :ref:`serial ports <lang-serial>`, the Maple's STM32 microprocessor includes a dedicated USB peripheral. This peripheral is used to emulate a regular serial port for use as a -terminal (text read/write). The emulated terminal is relatively slow -and inefficient; it is best for transferring data at regular serial -speeds (kilobaud). +terminal. The emulated terminal is relatively slow; it is best for +transferring data at regular serial speeds (kilobaud). Library access to the emulated serial port is provided through the ``SerialUSB`` object. You can mostly use ``SerialUSB`` as a drop-in @@ -30,14 +29,14 @@ replacement for ``Serial1``, ``Serial2``, and ``Serial3``. This means that if you have a number of calls to one of the ``SerialUSB`` ``write()`` or ``print()`` functions in your code, - and you are not monitoring the emulated on a computer, your program - will run much, much slower than if it is being monitored or totally - disconnected (run off of a battery). + and you are not monitoring ``SerialUSB`` on a computer, your + program will run much slower than if it is being monitored or + totally disconnected (run off of a battery). You can avoid this behavior by :ref:`deciphering the port status - using the DTR and RTS line status <lang-serialusb-safe-print>`; the + using the DTR and RTS line status <lang-serialusb-safe-print>` (the behavior of these control lines is platform dependent and we no - longer interpret them by default. + longer interpret them by default). Library Documentation --------------------- |